Ricoh IMC3500 - SC144 - SBU Comm error

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  • Batman1976
    Technician

    50+ Posts
    • Jun 2016
    • 88
    #1

    [Error Code] Ricoh IMC3500 - SC144 - SBU Comm error

    Hey Chaps,

    Have an IMC3500 with Sc144 on display, Reseated scanner ribbon cables but no joy. Manual points towards BICU or Scanner carriage assembly replacement. Before I start ordering expensive bits has any one ever seen it before and has a fix?

    Cheers
    Batman1976
    Tags: error, imc3500, ordering, sc144, scanner
    • GIUBOSS
      Service Manager

      Site Contributor
      1,000+ Posts
      • Jul 2013
      • 1382
      #2
      Re: Ricoh IMC3500 - SC144 - SBU Comm error

      Is there any movement in the scanner before or while reporting the code? One test I would do is unplug the ADF from the box.
      Try moving the lamphead by hand and check for obstructions, if too hard it could be the motor

      1. Reconnect the following connectors: • Scanner carriage - BICU harness (FFC)
      2. Replace the scanner carriage.
      3. Replace the BICU (PCB10).
      4. Replace the following harnesses: • Scanner carriage - BICU harness (FFC)
      Last edited by GIUBOSS; 07-18-2023, 02:55 PM.

        Comment

        • Batman1976
          Technician

          50+ Posts
          • Jun 2016
          • 88
          #3
          Re: Ricoh IMC3500 - SC144 - SBU Comm error

          Originally posted by GIUBOSS
          Is there any movement in the scanner before or while reporting the code? One test I would do is unplug the ADF from the box.
          Try moving the lamphead by hand and check for obstructions, if too hard it could be the motor

          No movement of scanner at power on, no lamp on either. Scanner carriage moves freely by hand, no obstructions. ADF disconnected gives same error.

            Comment

            • GIUBOSS
              Service Manager

              Site Contributor
              1,000+ Posts
              • Jul 2013
              • 1382
              #4
              Re: Ricoh IMC3500 - SC144 - SBU Comm error

              Did you reset it to sp mode? Also check the sc in the history.
              Check the white reference seal on the back of the platen exposure glass

              1. Reconnect the following connectors: • Scanner carriage - BICU harness (FFC)
              2. Replace the scanner carriage.
              3. Replace the BICU (PCB10).
              4. Replace the following harnesses: • Scanner carriage - BICU harness (FFC)

                Comment

                • luca72
                  Field Supervisor

                  1,000+ Posts
                  • Oct 2017
                  • 1665
                  #5
                  Re: Ricoh IMC3500 - SC144 - SBU Comm error

                  Originally posted by Batman1976
                  Hey Chaps,

                  Have an IMC3500 with Sc144 on display, Reseated scanner ribbon cables but no joy. Manual points towards BICU or Scanner carriage assembly replacement. Before I start ordering expensive bits has any one ever seen it before and has a fix?

                  Cheers
                  Batman1976
                  the machine cannot comunicate with carriage assy, missing comunication, try to replace the ribbon cable first, should be the cheapest attempt
                  "loneliness is an invention of the white man, when we are alone we talk to everything around us, we are never alone" (Ojibwa)

                    Comment

                    • TonerMunkeh
                      Professional Moron

                      2,500+ Posts
                      • Apr 2008
                      • 3869
                      #6
                      Re: Ricoh IMC3500 - SC144 - SBU Comm error

                      Has anyone been in the back of it and swung the controller box out? Just copped for one where someone didn't disconnect the ribbon cable while doing so and mullered it, new cable fixed the problem.
                      It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

                      Hit it.

                        Comment

                        • Batman1976
                          Technician

                          50+ Posts
                          • Jun 2016
                          • 88
                          #7
                          Re: Ricoh IMC3500 - SC144 - SBU Comm error

                          Quick update guys....

                          this turned out to be the carriage unit. Replaced complete unit and warranty part.

                          Thanks

                          Batman

                            Comment

                            • copyboy99
                              Technician
                              • Jan 2020
                              • 21
                              #8
                              Re: Ricoh IMC3500 - SC144 - SBU Comm error

                              recently there are lots of calls regarding scanner carriage (led) unit in b/w IM 5000 series, Color IM C4500 and new IM C4510 series as well..

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